1 /******************************************************************************
2 *******************************************************************************
4 ** Copyright (C) 2005 Red Hat, Inc. All rights reserved.
6 ** This copyrighted material is made available to anyone wishing to use,
7 ** modify, copy, or redistribute it subject to the terms and conditions
8 ** of the GNU General Public License v.2.
10 *******************************************************************************
11 ******************************************************************************/
13 #ifndef __LOCK_DOT_H__
14 #define __LOCK_DOT_H__
16 void dlm_print_rsb(struct dlm_rsb *r);
17 int dlm_receive_message(struct dlm_header *hd, int nodeid, int recovery);
18 int dlm_modes_compat(int mode1, int mode2);
19 int dlm_find_rsb(struct dlm_ls *ls, char *name, int namelen,
20 unsigned int flags, struct dlm_rsb **r_ret);
21 void dlm_put_rsb(struct dlm_rsb *r);
22 void dlm_hold_rsb(struct dlm_rsb *r);
23 int dlm_put_lkb(struct dlm_lkb *lkb);
24 void dlm_scan_rsbs(struct dlm_ls *ls);
26 int dlm_purge_locks(struct dlm_ls *ls);
27 void dlm_purge_mstcpy_locks(struct dlm_rsb *r);
28 int dlm_grant_after_purge(struct dlm_ls *ls);
29 int dlm_recover_waiters_post(struct dlm_ls *ls);
30 void dlm_recover_waiters_pre(struct dlm_ls *ls);
31 int dlm_recover_master_copy(struct dlm_ls *ls, struct dlm_rcom *rc);
32 int dlm_recover_process_copy(struct dlm_ls *ls, struct dlm_rcom *rc);
34 static inline int is_master(struct dlm_rsb *r)
36 return !r->res_nodeid;
39 static inline void lock_rsb(struct dlm_rsb *r)
41 mutex_lock(&r->res_mutex);
44 static inline void unlock_rsb(struct dlm_rsb *r)
46 mutex_unlock(&r->res_mutex);